#!/bin/sh

status="/sys/class/power_supply/sbs-20-000b/status"
current="/sys/class/power_supply/sbs-20-000b/charge_now"
total="/sys/class/power_supply/sbs-20-000b/charge_full"

while read line; do
statusValue=$line
done < $status

while read line; do
currentValue=$line
done < $current

while read line; do
totalValue=$line
done < $total

decimal=`echo "scale=4; $currentValue / $totalValue" | bc`
percent=`echo "$decimal * 100" | bc`

echo "$statusValue, $percent%"
